Piaget () may refer to:

People with the surname Édouard Piaget (18171910), Swiss entomologist Jean Piaget (18961980), Swiss developmental psychologist Paul Piaget (disambiguation), several people Solange Piaget Knowles (born 1986), American recording artist, actress, model and DJ

Other uses Piaget's theory of cognitive development, a theory about the nature and development of human intelligence Piaget SA, a Swiss watchmaker and jeweler Piaget Building, a building in New York City, US Jean Piaget University of Angola, a university in based in Luanda, Angola Jean Piaget University of Cape Verde, a university in Praia, Cape Verde, with a smaller second location in Mindelo, Cape Verde Instituto Piaget, a Portuguese private institution of higher education Piaget Belgian Open, a former men's golf tournament in Belgium

See also Paget (disambiguation)